Slowbro #13 from Unseen Forces is a reverse holo holo_rare card that currently sells for about $14.57 ungraded, with graded copies ranging from $25.00 at grade 7 to $63.00 at grade 10. A grade 10 copy sells for around $63.00, about 4.3× the $14.57 raw price, so high-grade copies are worth grading.